Answer:
1. 9+(-8) = 1
2. -5+-4 = -9
Step-by-step explanation:
B. sin35/9=sin40/b
The law of sines tells you ...
sin(A)/a = sin(B)/b
Filling in the given values, you get ...
sin(35°)/9 = sin(40°)/b
BCD = ECD
they would equal the same thing because it is still the same shape
